60 lines
2.0 KiB
C#
60 lines
2.0 KiB
C#
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using UnityEngine;
|
|
|
|
public class MapBuildPlacer : MonoBehaviour
|
|
{
|
|
[Tooltip("地图SO数据")] public HomeMapSO SO_HomeMap;
|
|
[Tooltip("坐标起始点")] public GameObject startPositionObject;
|
|
public int cellSize = 2;
|
|
|
|
|
|
private void Update()
|
|
{
|
|
// 跟随鼠标移动
|
|
Vector3 mouse_world_position = Camera.main.ScreenToWorldPoint(Input.mousePosition);
|
|
mouse_world_position.z = 0;
|
|
transform.position = mouse_world_position;
|
|
// // 计算距离最近的格子坐标
|
|
// Vector2Int nearest = get_nearest_buildable_cell(mouse_world_position);
|
|
// if (nearest != Vector2Int.zero)
|
|
// {
|
|
// // 吸附到格子位置
|
|
// Vector3 cell_world_pos = startPositionObject.transform.position +
|
|
// new Vector3(nearest.y, nearest.x, 0) * cellSize;
|
|
// transform.position = cell_world_pos;
|
|
// }
|
|
// else
|
|
// {
|
|
// // 不在可建造范围内，跟随鼠标自由移动
|
|
// transform.position = mouse_world_position;
|
|
// }
|
|
}
|
|
|
|
// private Vector2Int get_nearest_buildable_cell(Vector3 mouse_pos)
|
|
// {
|
|
// var buildable_cells = SO_HomeMap.get_position_by_can_build();
|
|
//
|
|
// if (buildable_cells == null || buildable_cells.Count == 0)
|
|
// return Vector2Int.zero;
|
|
//
|
|
// float min_distance = float.MaxValue;
|
|
// Vector2Int nearest = Vector2Int.zero;
|
|
//
|
|
// foreach (var cell in buildable_cells)
|
|
// {
|
|
// Vector3 cell_world_pos = startPositionObject.transform.position +
|
|
// new Vector3(cell.y, cell.x, 0) * cellSize;
|
|
// float dist = Vector2.Distance(mouse_pos, cell_world_pos);
|
|
//
|
|
// if (dist < cellSize * 0.5f && dist < min_distance)
|
|
// {
|
|
// min_distance = dist;
|
|
// nearest = cell;
|
|
// }
|
|
// }
|
|
|
|
// return nearest;
|
|
// }
|
|
} |